Formby Bay Weather Forecast
- 8
- 16
Clear
- 8
- 19
Mostly sunny
- 10
- 20
Partly cloudy
- 14
- 20
Shower or two
- 10
- 18
Partly cloudy
- 10
- 16
Cloudy
- 8
- 16
Cloudy
Today 10 Sep Yorke Peninsula
Sunny. Winds easterly 20 to 25 km/h turning southeasterly 15 to 25 km/h in the middle of the day. Daytime maximum temperatures between 16 and 19.
Central Coastal Waters
- Wind
- Easterly 15 to 20 knots.
- Seas
- 1 to 1.5 metres.
- 1st Swell
- Southwesterly 3 to 4 metres.
- Weather
- Clear.
- Weather Situation
- A high pressure system centred south of the Bight extends a ridge across the south of SA. The main high centre will gradually move eastwards to be centred to the east of SA on Friday. A trough over the interior of WA will remain stationary but will weaken later Friday. Another low pressure trough will approach from the west on Saturday and move across SA on Sunday then a cold front will move across southern coasts later Monday. An upper disturbance will move over the far west on Monday.
Formby Bay Temperature Statistics View More
September Temperature
Stenhouse Bay (24km)
Lowest 8 September, 2026
8.9 °CAverage September
13.7 °CHighest 4 September, 2026
20.2 °C
Climate (2021–2026)
Stenhouse Bay (24km)
Average Low 2021–2026
13.2 °CAverage 2021–2026
16.1 °CAverage High 2021–2026
20.5 °C